Polluted Runoff: Nonpoint Source Pollution

National Management Measures to Control Nonpoint Source Pollution from Hydromodification The primary goal of this guidance document is to provide technical assistance to states, territories, tribes, and the public for managing hydromodification activities and reducing associated NPS pollution of surface and ground water. The document describes examples of the implementation of practices that can be used to reduce NPS pollution from activities associated with channelization and channel modification, dams, and streambank and shoreline erosion.

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